<?php

class CategoriaController extends Controller {

    /**
     * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
     * using two-column layout. See 'protected/views/layouts/column2.php'.
     */
    public $layout = '//layouts/column2';

    public function init() {
        if(!isset($_SESSION['Usuario'])) {
            $resultado = array(
                'status' => false,
                'mensaje' => 'Debe iniciar sesión'
            );

            if(isset($_GET['callback'])) {
                echo $_GET['callback'] . "(" . CJSON::encode($resultado) . ")";
            } else {
                echo CJSON::encode($resultado);
            }

            Yii::app()->end();
        }

        Yii::app()->clientScript->scriptMap = array('jquery.js' => false, 'jquery.yii.js' => false, 'jquery.yiiactiveform.js' => false);
    }

    /**
     * @return array action filters
     */
    public function filters() {
        return array(
            //'accessControl', // perform access control for CRUD operations
            'postOnly + delete', // we only allow deletion via POST request
        );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules() {
        return array(
            array('allow', // allow all users to perform 'index' and 'view' actions
                'actions' => array('index', 'view', 'listarCategorias'),
                'users' => array('*'),
            ),
            array('allow', // allow authenticated user to perform 'create' and 'update' actions
                'actions' => array('create', 'update'),
                'users' => array('@'),
            ),
            array('allow', // allow admin user to perform 'admin' and 'delete' actions
                'actions' => array('admin', 'delete'),
                'users' => array('admin'),
            ),
            array('deny', // deny all users
                'users' => array('*'),
            ),
        );
    }

    /**
     * Displays a particular model.
     * @param integer $id the ID of the model to be displayed
     */
    public function actionView($id) {
        $this->render('view', array(
            'model' => $this->loadModel($id),
        ));
    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
    public function actionCreate() {
        $model = new Categoria;

        $resultado = array(
            'status' => false
        );

        // Uncomment the following line if AJAX validation is needed

        //$this->performAjaxValidation($model);
        if (isset($_POST['Categoria'])) {
            $model->attributes = $_POST['Categoria'];

            if ($model->save()) {
                $resultado['status'] = true;
                $resultado['categoria_id'] = $model->categoria_id;
            }

            if(isset($_GET['callback'])) {
                echo $_GET['callback'] . "(" . CJSON::encode($resultado) . ")";
            } else {
                echo CJSON::encode($resultado);
            }
        }
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
    public function actionUpdate($id)
    {
        $model = $this->loadModel($id);

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if (isset($_POST['Categoria'])) {
            $model->attributes = $_POST['Categoria'];
            if ($model->save())
                $this->redirect(array('view', 'id' => $model->categoria_id));
        }

        $this->render('update', array(
            'model' => $model,
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'admin' page.
     * @param integer $id the ID of the model to be deleted
     */
    public function actionDelete($id)
    {
        $this->loadModel($id)->delete();

        // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
        if (!isset($_GET['ajax']))
            $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
    }

    /**
     * Lists all models.
     */
    public function actionListarCategorias() {
        $categorias = Categoria::model()->findAll();

        $arrayCategorias = array();
        $outPut['aaData'] = array();

        foreach ($categorias as $key => $categoria) {
            $arrayCategorias['categoria_id'] = $categoria->categoria_id;
            $arrayCategorias['categoria_nombre'] = $categoria->categoria_nombre;
            $arrayCategorias['categoria_descripcion'] = $categoria->categoria_descripcion;
            $arrayCategorias['categoria_padre'] = $categoria->categoria_padre;

            $outPut['aaData'][] = $arrayCategorias;
        }
        //echo "<pre>"; print_r($arrayCategorias); exit();
        if(isset($_GET['callback'])) {
            echo $_GET['callback'] . "(" . CJSON::encode($outPut) . ")";
        } else {
            echo CJSON::encode($outPut);
        }
        //echo $_GET['callback'] . "(" . CJSON::encode($arrayCategorias) . ")";

        Yii::app()->end();
    }

    /**
     * Manages all models.
     */
    public function actionAdmin()
    {
        $model = new Categoria('search');
        $model->unsetAttributes(); // clear any default values
        if (isset($_GET['Categoria']))
            $model->attributes = $_GET['Categoria'];

        $this->render('admin', array(
            'model' => $model,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer $id the ID of the model to be loaded
     * @return Categoria the loaded model
     * @throws CHttpException
     */
    public function loadModel($id)
    {
        $model = Categoria::model()->findByPk($id);
        if ($model === null)
            throw new CHttpException(404, 'The requested page does not exist.');
        return $model;
    }

    /**
     * Performs the AJAX validation.
     * @param Categoria $model the model to be validated
     */
    protected function performAjaxValidation($model)
    {
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'categoria-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }

    protected function performAjaxValidationConsume($model)
    {
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'categoria-form') {
            echo $_GET['callback'] . "(" . CActiveForm::validate($model) . ")";
            Yii::app()->end();
        }
    }
}
